The 2nth power of (- 20) × (- 2) n is a positive integer
The (2n) power of (- 2) multiplied by the (2n) power of (- 2)
=The (2n) power of 2 times (- 1) times the n power of 2
=The (2n + n) power of - 2
=(3n) power of - 2
The (2n) power of (- 2) multiplied by the (2n) power of (- 2)
=The (2n) power of 2 times (- 1) times the n power of 2
=The (2n + n) power of - 2
=(3n) power of - 2